BRPI0514782A - process for liquid phase oxidation - Google Patents
process for liquid phase oxidationInfo
- Publication number
- BRPI0514782A BRPI0514782A BRPI0514782-4A BRPI0514782A BRPI0514782A BR PI0514782 A BRPI0514782 A BR PI0514782A BR PI0514782 A BRPI0514782 A BR PI0514782A BR PI0514782 A BRPI0514782 A BR PI0514782A
- Authority
- BR
- Brazil
- Prior art keywords
- liquid phase
- phase oxidation
- cta
- oxidation
- product
- Prior art date
Links
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
PROCESSO PARA OXIDAçãO EM FASE LìQUIDA. São revelados um processo e aparelho otimizados para realizar de forma mais eficiente e económica a oxidação em fase líquida de um composto oxidável. Tal oxidação em fase líquida é realizada em um reator de coluna de bolhas que permite uma reação altamente eficiente a temperaturas relativamente baixas. Quando o composto oxidado é para-xileno e o produto da reação de oxidação é ácido tereftálico bruto (CTA), tal produto CTA pode ser purificado e separado por técnicas mais económicas do que as que poderiam ser empregadas se o CTA fosse formado por um processo convencional de oxidação a alta temperatura.Process for liquid phase oxidation. An optimized process and apparatus for more efficiently and economically performing liquid phase oxidation of an oxidizable compound is disclosed. Such liquid phase oxidation is performed in a bubble column reactor that allows a highly efficient reaction at relatively low temperatures. When the oxidized compound is para-xylene and the oxidation reaction product is crude terephthalic acid (CTA), such CTA product may be purified and separated by more economical techniques than could be employed if the CTA were formed by a process. conventional high temperature oxidation.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US60649404P | 2004-09-02 | 2004-09-02 | |
US63149404P | 2004-11-29 | 2004-11-29 | |
US11/154,478 US20060047153A1 (en) | 2004-09-02 | 2005-06-16 | Optimized liquid-phase oxidation |
PCT/US2005/030854 WO2006028815A2 (en) | 2004-09-02 | 2005-08-29 | Optimized liquid-phase oxidation |
Publications (1)
Publication Number | Publication Date |
---|---|
BRPI0514782A true BRPI0514782A (en) | 2008-06-24 |
Family
ID=39529471
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0514782-4A BRPI0514782A (en) | 2004-09-02 | 2005-08-29 | process for liquid phase oxidation |
Country Status (1)
Country | Link |
---|---|
BR (1) | BRPI0514782A (en) |
-
2005
- 2005-08-29 BR BRPI0514782-4A patent/BRPI0514782A/en not_active IP Right Cessation
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B08F | Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette] |
Free format text: REFERENTE A 6A E 7A ANUIDADE(S). |
|
B08K | Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette] |
Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2167 DE 17/07/2012. |